HOLDPEAK 866B-WM Digital Anemometer Handheld Wind Speed Meter with Altitude and hpa measurement, for Measuring Wind Speed, Temperature (℃/℉)，Dew point and Wind Chill with Backlight and Humidity Tester 1Pcs 866B-WM Multifunctional Anemometer sold2024 Exclusively made in New York

Exclusively made in New York

They have an on/off button so you can decide when you want them on

Android smartphone/tablet with USB OTG function and Micro USB interface PC with USB

BREATHABLE and PREVENTS build-up of SMELL

not adjustable

HOLDPEAK 866B-WM Digital Anemometer Handheld Wind Speed Meter with Altitude and hpa measurement, for Measuring Wind Speed, Temperature (℃/℉)，Dew point and Wind Chill with Backlight and Humidity Tester 1Pcs 866B-WM Multifunctional Anemometer sold2024 Exclusively made in New YorkHOLDPEAK 866B WM Digital Anemometer Handheld Wind Speed Meter with Altitude and hpa measurement, for Measuring Wind Speed, Temperature ( )Dew point and Wind Chill with Backlight and Humidity Tester Product Features STEADY WIND SPEED MEASUREMENT & HIGH ACCURACYWind Speed Range: 0. 3 30m s(MAX up to 69mph),Tempereture range: 14~86F,and Accuracy of Wind Speed: 0. 1dgts. NOVEL FUNCTIONSupport 0 6000m Altitude test, as well as Atmospheric pressure